Finding the Fourth Proportional to 1,553.88, 2,144.46 and 1,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553.88 : 2,144.46 = 1,150.50 : x
2. Step 2: Convert to fraction form
   1,553.88/2,144.46 = 1,150.50/x
3. Step 3: Cross multiply
   1,553.88x = 2,144.46 × 1,150.50
4. Step 4: Simplify right side
   1,553.88x = 2,467,201.23
5. Step 5: Solve for x
   x = 2,467,201.23/1,553.88
6. Step 6: Final answer
   x = 1,587.77